| article html file updated | 12 February 2020 23:27 CET | Update | https://www.mdpi.com/2079-6412/9/7/421 |
| article html file updated | 31 July 2019 13:55 CEST | Update | - |
| article html file updated | 1 July 2019 11:05 CEST | Original file | - |
| article pdf uploaded. | 1 July 2019 11:03 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/7/421/pdf |
| article xml uploaded. | 1 July 2019 11:03 CEST | Update | https://www.mdpi.com/2079-6412/9/7/421/xml |
| article xml file uploaded | 1 July 2019 11:03 CEST | Original file | - |
